/*
 * jPOS Project [http://jpos.org]
 * Copyright (C) 2000-2015 Alejandro P. Revilla
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

package org.jpos.iso.validator;

import org.jpos.iso.*;
import org.jpos.util.LogSource;
import org.jpos.util.Loggeable;
import org.jpos.util.Logger;

import java.io.PrintStream;
import java.util.Iterator;
import java.util.Map;
import java.util.Vector;

/**
 * Parse ISOComponents and put the errors into a list.
 * <p>Title: jPOS</p>
 * <p>Description: Java Framework for Financial Systems</p>
 * <p>Copyright: Copyright (c) 2000 jPOS.org.  All rights reserved.</p>
 * <p>Company: www.jPOS.org</p>
 *
 * @author Jose Eduardo Leon
 * @version 1.0
 */
@SuppressWarnings("unchecked")
public class VErrorParser implements LogSource, Loggeable {

	/**
	 * Parse an ISOComponent and get an error vector.
	 *
	 * @param c Component to parse.
	 * @return error vector.
	 */
	public Vector getVErrors(ISOComponent c) {
		Vector v = new Vector();
		_getErr(c, v, "");
		_errors = v;
		return _errors;
	}

	public String parseXMLErrorList() {
		/** @todo !!!!!!!! */
		return "";
	}

	public void setLogger(Logger logger, String realm) {
		this.logger = logger;
		this.realm = realm;
	}

	public String getRealm() {
		return realm;
	}

	public Logger getLogger() {
		return logger;
	}

	/**
	 * Parse error list, and get an dump
	 * the xml string representing the list.
	 * <pre>
	 * Ex:
	 * <isomsg>
	 *   <field id="2">
	 *     <error description="Invalid Len Error" reject-code="101"/>
	 *   </field>
	 *   <field id="48">
	 *     <field id="0">
	 *       <field id="1">
	 *         <error description="Invalid Value Error" reject-code="102"/>
	 *       </field>
	 *     </field>
	 *   </field>
	 *   <error description="Field Expected Error" reject-code="999">
	 * </isomsg>
	 * </pre>
	 *
	 * @param p      output stream
	 * @param indent indent character
	 */
	public void dump(PrintStream p, String indent) {
		/** @todo !!!!!!!!! */
	}

	/**
	 * Free errors memory.
	 */
	public void resetErrors() {
		_errors = null;
	}

	/**
	 * Recursive method to get the errors.
	 */
	private void _getErr(ISOComponent c, Vector list, String id) {
		if (c instanceof ISOVField) {
			Iterator iter = ((ISOVField) c).errorListIterator();
			while (iter.hasNext()) {
				ISOVError error = (ISOVError) iter.next();
				error.setId(id);
				list.add(error);
			}
		} else if (c instanceof ISOMsg) {
			if (c instanceof ISOVMsg) {
				/** Msg level error **/
				Iterator iter = ((ISOVMsg) c).errorListIterator();
				while (iter.hasNext()) {
					ISOVError error = (ISOVError) iter.next();
					error.setId(id);
					list.add(error);
				}
			}
			/** recursively in childs **/
			Map fields = c.getChildren();
			int max = c.getMaxField();
			for (int i = 0; i <= max; i++)
				if ((c = (ISOComponent) fields.get(i)) != null)
					_getErr(c, list, id + Integer.toString(i) + " ");
		}
	}

	protected Logger logger = null;
	protected String realm = null;
	private Vector _errors = null;
}
